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Vehicle Information: Year: 1987; Engine (size, modifications): 5.0 L; Total Mileage: 100600; Transmission type: Manual;

Im getting mixed information and need your assistance.Im updating my shocks on my 87 928 S4 with option M474 (Sport shock absorbers mine are orange (Boge sport)Ive been told by the 928 specialist and 928 international that these shocks will fit my car with no additional parts and modifications.Porsche part # Front = 92834305506 Rear = 92833305112.Bilstein part# Front F4-B46-0966-H1 (application 84-86) Rear F4-B46-0974-H1 (application for 85-95)Koni part# Front 8240-1085 Rear 8240-1086.When I call Koni they tell me there part will only fit 928s with original BOGE, excluding BOGE with adjustable spring seats (This is whats on the car)This is what BILSTEIN said only the rears will fit and front do not. What is the right answer?Can I make this parts work on my car?Can the BILSTEIN or KONI shocks work if I purchase a different set of springs? Im considering HYPERCOIL.Thank YouAriel

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